本文给出求不定积分的一种新方法。

A new method is given which can solve the indefinite integral.

现在我们来看另一种方法，即求不定积分。

Now we have another method to look at which is using anti-derivatives.

用常规方法求解不定积分问题是相当困难的。

It is very difficult to solve the indefinite integral with general method.

相当于在一元微积分中，取一个函数的不定积分，仅仅需要在结果后加一个常数。

It is the same thing as, in one variable calculus, when you take the anti-derivative of a function it is only defined up to adding the constant.

由原函数与反函数的关系、分部积分公式以及变量代换得出利用反函数法求不定积分的一系列积分公式。

This paper give a series Integration formula of indefinite integral by inverse function method, which use the relationship of a function and its inverse function and the Integration by parts.